From: "Michael S. Tsirkin" <mst@redhat.com>
To: Jason Wang <jasowang@redhat.com>
Cc: Parav Pandit <parav@nvidia.com>,
"Zhu, Lingshan" <lingshan.zhu@intel.com>,
"virtio-comment@lists.oasis-open.org"
<virtio-comment@lists.oasis-open.org>,
"cohuck@redhat.com" <cohuck@redhat.com>,
"sburla@marvell.com" <sburla@marvell.com>,
Shahaf Shuler <shahafs@nvidia.com>,
Maor Gottlieb <maorg@nvidia.com>,
Yishai Hadas <yishaih@nvidia.com>
Subject: Re: [virtio-comment] [PATCH v1 1/8] admin: Add theory of operation for device migration
Date: Wed, 22 Nov 2023 02:48:30 -0500 [thread overview]
Message-ID: <20231122024459-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <CACGkMEudhoDfY2ZcuA3J0ww=9Pm7qcMRasvZ8CvBeGVL9SPMDw@mail.gmail.com>
On Wed, Nov 22, 2023 at 12:13:34PM +0800, Jason Wang wrote:
> > > What's wrong if we just allow them to be R/W over adminq/cmmands?
> > >
> > As explained before,
> > Each guest has its own dedicated non mediated interface as defined in virtio spec to not involve hypervisor.
>
> So what's wrong with inventing per VF queue to do that? For example
> transport virtqueue.
Nothing is wrong with this.
But what is problematic is just re-using config space for migration because
it means we can not just say "don't access device after it is stopped"
because yes you need to access it to save/restore state.
And a new interface over admin cmds just for this side-steps the
issue nicely.
--
MST
This publicly archived list offers a means to provide input to the
OASIS Virtual I/O Device (VIRTIO) TC.
In order to verify user consent to the Feedback License terms and
to minimize spam in the list archive, subscription is required
before posting.
Subscribe: virtio-comment-subscribe@lists.oasis-open.org
Unsubscribe: virtio-comment-unsubscribe@lists.oasis-open.org
List help: virtio-comment-help@lists.oasis-open.org
List archive: https://lists.oasis-open.org/archives/virtio-comment/
Feedback License: https://www.oasis-open.org/who/ipr/feedback_license.pdf
List Guidelines: https://www.oasis-open.org/policies-guidelines/mailing-lists
Committee: https://www.oasis-open.org/committees/virtio/
Join OASIS: https://www.oasis-open.org/join/
next prev parent reply other threads:[~2023-11-22 7:48 UTC|newest]
Thread overview: 341+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-08 11:25 [virtio-comment] [PATCH v1 0/8] Introduce device migration support commands Parav Pandit
2023-10-08 11:25 ` [virtio-comment] [PATCH v1 1/8] admin: Add theory of operation for device migration Parav Pandit
2023-10-09 8:49 ` Jason Wang
2023-10-09 10:06 ` Parav Pandit
2023-10-10 5:51 ` Jason Wang
2023-10-10 7:19 ` Parav Pandit
2023-10-10 12:41 ` Michael S. Tsirkin
2023-10-10 13:08 ` Parav Pandit
2023-10-10 14:00 ` Michael S. Tsirkin
2023-10-10 14:09 ` Parav Pandit
2023-10-10 14:55 ` Michael S. Tsirkin
2023-10-11 3:14 ` Jason Wang
2023-10-11 6:02 ` Michael S. Tsirkin
2023-10-11 10:47 ` Parav Pandit
2023-10-11 20:14 ` Michael S. Tsirkin
2023-10-12 10:21 ` Parav Pandit
2023-10-13 1:15 ` Jason Wang
2023-10-13 6:36 ` Parav Pandit
2023-10-17 1:41 ` Jason Wang
2023-10-18 8:16 ` Parav Pandit
2023-10-18 10:19 ` Michael S. Tsirkin
2023-10-18 10:33 ` Parav Pandit
2023-10-19 2:41 ` Jason Wang
2023-10-13 11:41 ` Michael S. Tsirkin
2023-10-09 12:02 ` Parav Pandit
2023-10-09 16:19 ` Michael S. Tsirkin
2023-10-09 17:21 ` Parav Pandit
2023-10-10 8:57 ` Zhu, Lingshan
2023-10-10 9:40 ` Parav Pandit
2023-10-11 10:25 ` Zhu, Lingshan
2023-10-11 11:43 ` Parav Pandit
2023-10-12 10:21 ` Zhu, Lingshan
2023-10-12 10:58 ` Parav Pandit
2023-10-12 11:17 ` Michael S. Tsirkin
2023-10-12 11:47 ` Parav Pandit
2023-10-12 13:05 ` Michael S. Tsirkin
2023-10-13 1:16 ` Jason Wang
2023-10-13 6:36 ` Parav Pandit
2023-10-17 1:53 ` Jason Wang
2023-10-17 2:02 ` Jason Wang
2023-10-17 3:19 ` Parav Pandit
2023-10-17 3:26 ` Parav Pandit
2023-10-18 0:52 ` Jason Wang
2023-10-18 4:30 ` Parav Pandit
2023-10-18 6:14 ` Michael S. Tsirkin
2023-10-18 6:26 ` Parav Pandit
2023-10-19 2:41 ` Jason Wang
2023-10-19 4:29 ` Parav Pandit
2023-10-19 4:44 ` Jason Wang
2023-10-19 5:31 ` Parav Pandit
2023-10-19 6:35 ` Michael S. Tsirkin
2023-10-19 7:30 ` Parav Pandit
2023-10-19 8:31 ` Michael S. Tsirkin
2023-10-19 8:58 ` Parav Pandit
2023-10-19 9:11 ` Michael S. Tsirkin
2023-10-19 9:20 ` Parav Pandit
2023-10-19 9:26 ` Michael S. Tsirkin
2023-10-19 9:33 ` Michael S. Tsirkin
2023-10-19 9:41 ` Parav Pandit
2023-10-19 9:53 ` Michael S. Tsirkin
2023-10-19 9:54 ` Michael S. Tsirkin
2023-10-19 10:00 ` Parav Pandit
2023-10-19 10:01 ` Parav Pandit
2023-10-19 9:39 ` Parav Pandit
2023-10-19 9:49 ` Michael S. Tsirkin
2023-10-19 9:57 ` Parav Pandit
2023-10-23 3:45 ` Jason Wang
2023-10-23 4:42 ` Parav Pandit
2023-10-24 4:46 ` Jason Wang
2023-10-24 4:49 ` Parav Pandit
2023-10-25 1:28 ` Jason Wang
2023-10-25 7:02 ` Parav Pandit
2023-10-26 0:46 ` Jason Wang
2023-10-26 3:45 ` Parav Pandit
2023-10-30 4:06 ` Jason Wang
2023-10-30 4:46 ` Parav Pandit
2023-10-31 1:34 ` Jason Wang
2023-10-31 5:30 ` Parav Pandit
2023-11-01 0:33 ` Jason Wang
2023-11-01 3:31 ` Parav Pandit
2023-11-02 4:25 ` Jason Wang
2023-11-02 6:10 ` Parav Pandit
2023-11-06 6:34 ` Jason Wang
2023-11-06 7:05 ` Parav Pandit
2023-11-07 4:05 ` Jason Wang
2023-11-07 7:22 ` Michael S. Tsirkin
2023-11-07 7:57 ` Zhu, Lingshan
2023-11-07 8:05 ` Michael S. Tsirkin
2023-11-08 4:28 ` Jason Wang
2023-11-09 6:25 ` Parav Pandit
2023-11-13 3:32 ` Jason Wang
2023-11-15 17:39 ` Parav Pandit
2023-11-16 4:20 ` Jason Wang
2023-11-16 5:28 ` Parav Pandit
2023-11-16 6:23 ` Michael S. Tsirkin
2023-11-16 6:34 ` Parav Pandit
2023-11-16 6:38 ` Michael S. Tsirkin
2023-11-16 6:43 ` Parav Pandit
2023-11-16 6:56 ` Michael S. Tsirkin
2023-11-16 7:02 ` Parav Pandit
2023-11-16 7:14 ` Michael S. Tsirkin
2023-11-16 9:45 ` Parav Pandit
2023-11-21 4:22 ` Jason Wang
2023-11-21 16:25 ` Parav Pandit
2023-11-22 4:13 ` Jason Wang
2023-11-22 7:48 ` Michael S. Tsirkin [this message]
2023-11-24 3:56 ` Jason Wang
2023-11-24 5:40 ` Michael S. Tsirkin
2023-11-21 7:24 ` Jason Wang
2023-11-21 16:32 ` Parav Pandit
2023-11-22 5:27 ` Jason Wang
2023-11-22 6:05 ` Parav Pandit
2023-11-24 3:40 ` Jason Wang
2023-11-17 10:08 ` Michael S. Tsirkin
2023-11-17 10:20 ` Parav Pandit
2023-11-17 11:11 ` Michael S. Tsirkin
2023-11-17 11:20 ` Parav Pandit
2023-11-17 11:43 ` Michael S. Tsirkin
2023-11-17 12:02 ` Parav Pandit
2023-11-17 12:30 ` Michael S. Tsirkin
2023-11-17 12:46 ` Parav Pandit
2023-11-17 13:54 ` Michael S. Tsirkin
2023-11-17 14:51 ` Parav Pandit
2023-11-17 15:09 ` Michael S. Tsirkin
2023-11-21 4:44 ` Jason Wang
2023-11-21 16:27 ` Parav Pandit
2023-11-22 4:16 ` Jason Wang
2023-11-22 4:39 ` Parav Pandit
2023-11-24 3:08 ` Jason Wang
2023-11-21 5:25 ` Jason Wang
2023-11-21 16:30 ` Parav Pandit
2023-11-22 4:18 ` Jason Wang
2023-11-22 4:26 ` Parav Pandit
2023-11-24 3:07 ` Jason Wang
2023-11-24 11:38 ` Michael S. Tsirkin
2023-11-24 11:51 ` Jason Wang
2023-11-24 12:10 ` Michael S. Tsirkin
2023-11-24 12:13 ` Parav Pandit
2023-11-24 12:19 ` Michael S. Tsirkin
2023-10-13 11:26 ` Michael S. Tsirkin
2023-10-13 11:41 ` Parav Pandit
2023-10-13 11:52 ` Michael S. Tsirkin
2023-10-13 11:57 ` Parav Pandit
2023-10-17 1:42 ` Jason Wang
2023-10-13 9:06 ` Zhu, Lingshan
2023-10-13 11:28 ` Michael S. Tsirkin
2023-10-13 11:42 ` Parav Pandit
2023-10-16 8:41 ` Zhu, Lingshan
2023-10-16 9:00 ` Michael S. Tsirkin
2023-10-16 9:44 ` Zhu, Lingshan
2023-10-13 11:28 ` Parav Pandit
2023-10-13 11:49 ` Michael S. Tsirkin
2023-10-13 12:00 ` Parav Pandit
2023-10-16 8:46 ` Zhu, Lingshan
2023-10-16 9:44 ` Zhu, Lingshan
2023-10-18 5:00 ` Parav Pandit
2023-10-18 6:32 ` Zhu, Lingshan
2023-10-18 6:34 ` Parav Pandit
2023-10-18 6:39 ` Zhu, Lingshan
2023-10-18 6:42 ` Parav Pandit
2023-10-11 19:51 ` Michael S. Tsirkin
2023-10-12 10:23 ` Zhu, Lingshan
2023-10-08 11:25 ` [virtio-comment] [PATCH v1 2/8] admin: Redefine reserved2 as command specific output Parav Pandit
2023-10-08 11:25 ` [virtio-comment] [PATCH v1 3/8] device-context: Define the device context fields for device migration Parav Pandit
2023-10-08 11:41 ` [virtio-comment] " Michael S. Tsirkin
2023-10-09 4:15 ` Parav Pandit
2023-10-09 15:54 ` Michael S. Tsirkin
2023-10-09 17:22 ` Parav Pandit
2023-10-09 10:34 ` Zhu, Lingshan
2023-10-09 14:30 ` Parav Pandit
2023-10-10 8:52 ` Zhu, Lingshan
2023-10-10 9:58 ` Parav Pandit
2023-10-11 10:07 ` Zhu, Lingshan
2023-10-11 10:54 ` Parav Pandit
2023-10-11 19:54 ` Michael S. Tsirkin
2023-10-12 10:00 ` Zhu, Lingshan
2023-10-12 10:06 ` Michael S. Tsirkin
2023-10-12 10:13 ` Parav Pandit
2023-10-12 10:52 ` Zhu, Lingshan
2023-10-12 10:09 ` Parav Pandit
2023-10-12 10:45 ` Michael S. Tsirkin
2023-10-12 11:23 ` Parav Pandit
2023-10-12 11:10 ` Zhu, Lingshan
2023-10-12 11:37 ` Parav Pandit
2023-10-12 13:03 ` Michael S. Tsirkin
2023-10-12 13:13 ` Parav Pandit
2023-10-13 1:18 ` Jason Wang
2023-10-13 6:40 ` Parav Pandit
2023-10-17 2:10 ` Jason Wang
2023-10-17 3:45 ` Parav Pandit
2023-10-18 0:52 ` Jason Wang
2023-10-18 5:28 ` Parav Pandit
2023-10-19 2:41 ` Jason Wang
2023-10-18 6:13 ` Michael S. Tsirkin
2023-10-13 9:44 ` Zhu, Lingshan
2023-10-13 11:54 ` Parav Pandit
2023-10-16 9:47 ` Zhu, Lingshan
2023-10-18 5:02 ` Parav Pandit
2023-10-18 6:20 ` Michael S. Tsirkin
2023-10-18 6:28 ` Parav Pandit
2023-10-18 6:35 ` Zhu, Lingshan
2023-10-18 6:41 ` Parav Pandit
2023-10-18 6:52 ` Zhu, Lingshan
2023-10-18 7:20 ` Parav Pandit
2023-10-18 8:42 ` Zhu, Lingshan
2023-10-18 8:53 ` Michael S. Tsirkin
2023-10-18 9:48 ` Parav Pandit
2023-10-18 9:56 ` Michael S. Tsirkin
2023-10-18 10:22 ` Parav Pandit
2023-10-18 10:47 ` Michael S. Tsirkin
2023-10-18 10:57 ` Parav Pandit
2023-10-19 8:18 ` Zhu, Lingshan
2023-10-19 8:37 ` Michael S. Tsirkin
2023-10-19 8:49 ` Zhu, Lingshan
2023-10-19 8:55 ` Michael S. Tsirkin
2023-10-23 3:44 ` Jason Wang
2023-10-23 4:42 ` Parav Pandit
2023-10-24 4:56 ` Jason Wang
2023-10-24 10:01 ` Parav Pandit
2023-10-25 1:28 ` Jason Wang
2023-10-25 7:15 ` Parav Pandit
2023-10-25 8:24 ` Michael S. Tsirkin
2023-10-25 9:50 ` Parav Pandit
2023-10-25 10:19 ` Michael S. Tsirkin
2023-10-25 10:22 ` Parav Pandit
2023-10-25 10:28 ` Michael S. Tsirkin
2023-10-26 3:32 ` Parav Pandit
2023-10-26 0:46 ` Jason Wang
2023-10-26 3:50 ` Parav Pandit
2023-10-30 4:04 ` Jason Wang
2023-10-30 4:27 ` Parav Pandit
2023-10-31 1:36 ` Jason Wang
2023-10-31 5:17 ` Parav Pandit
2023-11-01 0:33 ` Jason Wang
2023-11-01 3:07 ` Parav Pandit
2023-11-02 4:24 ` Jason Wang
2023-11-02 6:10 ` Parav Pandit
2023-11-02 14:01 ` Michael S. Tsirkin
2023-11-06 6:35 ` Jason Wang
2023-11-09 6:24 ` Parav Pandit
2023-10-19 8:15 ` Zhu, Lingshan
2023-10-19 9:01 ` Parav Pandit
2023-10-19 9:09 ` Zhu, Lingshan
2023-10-19 9:13 ` Parav Pandit
2023-10-19 9:14 ` Michael S. Tsirkin
2023-10-19 9:18 ` Zhu, Lingshan
2023-10-19 10:33 ` Parav Pandit
2023-10-19 11:19 ` Michael S. Tsirkin
2023-10-19 12:02 ` Parav Pandit
2023-10-20 9:31 ` Zhu, Lingshan
2023-10-20 9:41 ` Michael S. Tsirkin
2023-10-20 11:11 ` Zhu, Lingshan
2023-10-20 12:47 ` Parav Pandit
2023-10-23 9:48 ` Zhu, Lingshan
2023-10-23 10:01 ` Parav Pandit
2023-10-23 10:14 ` Zhu, Lingshan
2023-10-23 10:26 ` Parav Pandit
2023-10-24 10:10 ` Zhu, Lingshan
2023-10-24 10:11 ` Parav Pandit
2023-10-21 15:34 ` Michael S. Tsirkin
2023-10-23 10:03 ` Zhu, Lingshan
2023-10-23 11:32 ` Michael S. Tsirkin
2023-10-24 10:27 ` Zhu, Lingshan
2023-10-25 8:33 ` Michael S. Tsirkin
2023-10-26 0:56 ` Jason Wang
2023-10-26 3:58 ` Parav Pandit
2023-10-30 3:59 ` Jason Wang
2023-10-30 4:49 ` Parav Pandit
2023-10-26 6:22 ` Michael S. Tsirkin
2023-10-30 4:02 ` Jason Wang
2023-11-01 0:33 ` Jason Wang
2023-10-26 6:38 ` Zhu, Lingshan
2023-10-23 3:53 ` Jason Wang
2023-10-23 11:33 ` Michael S. Tsirkin
2023-10-20 12:54 ` Parav Pandit
2023-10-23 10:09 ` Zhu, Lingshan
2023-10-23 10:14 ` Parav Pandit
2023-10-24 10:30 ` Zhu, Lingshan
2023-10-24 10:37 ` Parav Pandit
2023-10-26 6:44 ` Zhu, Lingshan
2023-10-26 7:04 ` Parav Pandit
2023-10-30 3:44 ` Zhu, Lingshan
2023-10-30 4:17 ` Parav Pandit
2023-10-30 10:02 ` Zhu, Lingshan
2023-10-30 10:23 ` Parav Pandit
2023-10-30 11:34 ` Michael S. Tsirkin
2023-10-30 12:02 ` Parav Pandit
2023-10-31 9:35 ` Zhu, Lingshan
2023-10-31 9:42 ` Zhu, Lingshan
2023-10-31 10:14 ` Michael S. Tsirkin
2023-11-01 0:42 ` Jason Wang
2023-11-01 1:57 ` Zhu, Lingshan
2023-11-01 1:57 ` Zhu, Lingshan
2023-11-01 2:54 ` Parav Pandit
2023-11-01 5:31 ` Michael S. Tsirkin
2023-11-01 5:42 ` Parav Pandit
2023-11-01 6:37 ` Michael S. Tsirkin
2023-11-01 6:39 ` Zhu, Lingshan
2023-11-01 6:50 ` Parav Pandit
2023-11-01 6:56 ` Zhu, Lingshan
2023-11-01 7:03 ` Parav Pandit
2023-11-01 7:46 ` Zhu, Lingshan
2023-11-01 7:54 ` Parav Pandit
2023-11-01 8:55 ` Zhu, Lingshan
2023-11-01 9:07 ` Michael S. Tsirkin
2023-11-01 9:42 ` Zhu, Lingshan
2023-11-01 10:23 ` Michael S. Tsirkin
2023-11-01 8:36 ` Michael S. Tsirkin
2023-11-01 10:24 ` Parav Pandit
2023-11-01 6:47 ` Parav Pandit
2023-11-01 8:28 ` Michael S. Tsirkin
2023-11-01 8:49 ` Parav Pandit
2023-11-01 9:06 ` Michael S. Tsirkin
2023-11-01 10:01 ` Parav Pandit
2023-10-30 11:27 ` Michael S. Tsirkin
2023-10-30 11:48 ` Parav Pandit
2023-10-31 9:45 ` Zhu, Lingshan
2023-10-19 9:16 ` Zhu, Lingshan
2023-10-19 9:13 ` Michael S. Tsirkin
2023-10-13 13:49 ` Michael S. Tsirkin
2023-10-16 9:50 ` Zhu, Lingshan
2023-11-02 14:21 ` Michael S. Tsirkin
2023-11-02 14:40 ` [virtio-comment] " Parav Pandit
2023-11-02 14:53 ` [virtio-comment] " Michael S. Tsirkin
2023-11-02 15:06 ` [virtio-comment] " Parav Pandit
2023-11-02 17:05 ` [virtio-comment] " Michael S. Tsirkin
2023-10-08 11:25 ` [virtio-comment] [PATCH v1 4/8] admin: Add device migration admin commands Parav Pandit
2023-10-18 6:46 ` [virtio-comment] " Michael S. Tsirkin
2023-10-18 8:24 ` [virtio-comment] " Parav Pandit
2023-10-18 10:26 ` [virtio-comment] " Michael S. Tsirkin
2023-10-18 10:41 ` [virtio-comment] " Parav Pandit
2023-10-08 11:25 ` [virtio-comment] [PATCH v1 5/8] admin: Add requirements of device migration commands Parav Pandit
2023-10-08 11:25 ` [virtio-comment] [PATCH v1 6/8] admin: Add theory of operation for write recording commands Parav Pandit
2023-10-08 11:25 ` [virtio-comment] [PATCH v1 7/8] admin: Add " Parav Pandit
2023-10-08 11:52 ` [virtio-comment] " Michael S. Tsirkin
2023-10-09 4:14 ` [virtio-comment] " Parav Pandit
2023-10-09 10:57 ` [virtio-comment] " Michael S. Tsirkin
2023-10-09 11:48 ` Parav Pandit
2023-10-09 16:15 ` Michael S. Tsirkin
2023-10-09 17:22 ` Parav Pandit
2023-10-08 11:25 ` [virtio-comment] [PATCH v1 8/8] admin: Add requirements of write reporting commands Parav Pandit
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20231122024459-mutt-send-email-mst@kernel.org \
--to=mst@redhat.com \
--cc=cohuck@redhat.com \
--cc=jasowang@redhat.com \
--cc=lingshan.zhu@intel.com \
--cc=maorg@nvidia.com \
--cc=parav@nvidia.com \
--cc=sburla@marvell.com \
--cc=shahafs@nvidia.com \
--cc=virtio-comment@lists.oasis-open.org \
--cc=yishaih@nvidia.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.